Detail from Amy Sillman's "Letters from Texas"

Quirky: Sillman’s “Letters”

Letters From Texas is exuberant! Also, it is wide—really wide. So wide that the only photo I could get of all of it in the shallow room where it hangs in the Blanton is an extreme angle: It is actually four paintings, hung side by side. They are numbered 20, 21, 22, and 23, but…